Daphne genkwa

Daphne genkwa is a deciduous shrub and one of the 50 fundamental herbs used in traditional Chinese medicine, where it has the name yuán huā (Chinese: 芫花).

Daphne genkwa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Thymelaeaceae
Genus: Daphne
Species:
D. genkwa
Binomial name
Daphne genkwa

The plant was discovered by the prolific British plant collector Charles Maries (1851–1902).

Subspecies

In addition to the nominate subspecies, Daphne genkwa subsp. genkwa, two further subspecies are recognized.[1] Both are treated as separate species by the Flora of China.[3]

Daphne genkwa subsp. jinzhaiensis (D.C.Zhang & J.Z.Shao) Halda (syn. Daphne jinzhaiensis) differs from subsp. genkwa in its terminal 3–5-flowered racemes, each flower having a tube 10–12 mm long. It is found in Anhui, China.[4][5]

Daphne genkwa subsp. leishanensis (H.F.Zhou ex C.Yung Chang) Halda (syn. Daphne leishanensis) differs from subsp. genkwa having blackish-purple older branches and reddish flowers 6–7 mm long. It is found in Guizhou, China, where it grows on rocky slopes with bushes at altitudes ranging from 900 to 1200 m.[4][6]

Distribution

Daphne genkwa occurs in China, Korea, and Vietnam.[3]

See also

References
  1. "Daphne genkwa". The Plant List. Retrieved 2017-11-19.
  2. "Daphne genkwa". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2008-02-05.
  3. Wang, Yinzheng; Gilbert, Michael G.; Mathew, Brian F.; Brickell, Christopher. "Daphne". Flora of China. Retrieved 17 November 2017.
  4. Halda, Josef J. (1997). "Some nomenclatoric changes and new descriptions in the genus Daphne L" (PDF). Acta Musei Richnoviensis Sect. Nat. 4 (2): 67–70. Archived from the original (PDF) on 2017-12-01. Retrieved 2017-11-18.
  5. Wang, Yinzheng; Gilbert, Michael G.; Mathew, Brian F.; Brickell, Christopher. "Daphne jinzhaiensis". Flora of China. Retrieved 19 November 2017.
  6. Wang, Yinzheng; Gilbert, Michael G.; Mathew, Brian F.; Brickell, Christopher. "Daphne leishanensis". Flora of China. Retrieved 19 November 2017.


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